HELP A silicon (Si) wafer is being fabricated by doping with boron (B) atoms. Which type of semiconductor is this?
Question 19 options:

A)

P-type

B)

Intrinsic

C)

Intrinsic and n-type

D)

N-type

According to Hund's rule, what's the expected magnetic behavior of vanadium (V)?
Question 20 options:

A)

Ferromagnetic

B)

Diamagnetic

C)

Non-magnetic

D)

Paramagnetic

Which group or groups of atoms are the only atoms with f orbitals?
Question 10 options:

A)

All noble gases

B)

All atoms heavier than barium (Ba)

C)

All atoms heavier than krypton (Kr)

D)

Lanthanides and actinides

What are the only elements that make up organic compounds?
Question 2 options:

A)

Carbon, hydrogen, oxygen, and nitrogen

B)

Germanium, hydrogen, potassium, and nitrogen

C)

Carbon, hydrogen, lithium, and silicon

D)

Silicon, hydrogen, carbon, and nitrogen